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RKA Petroleum Companies is a Romulus, MI-based company in the Energy and Utilities sector.
Gilby Production and Machine is a Velma, OK-based company in the Energy and Utilities sector.
Production Enhancement Group, Inc., a Houston-based energy services company incorporated in Alberta, Canada, rades on the TSX under the symbol WIS.
Brigade Energy Services is a private equity funded and growth oriented well services company that provides innovative well service solutions, high quality equipment, and personnel with unmatched experience.